Sunday, 14 June 2009
Audio Examples of microphone types
Hi all, I recently watched this movie "STEAL THIS FILM Pt.II" (which I must recommend for everyone who has become more interested in the topic of copyright control, http://www.stealthisfilm.com/Part2/) and I saw/listened to the different types of audio in it. I excerpted one little part for you to demonstrate what different microphones do to the quality of sound: PLEASE LISTEN WITH HEADPHONES
The sequence consists of four speakers:
1) is a normal-size room and probably a regular cardioid directional or even a highly directional microphone. You can assume this because you hear the room in the sound, probably this was chosen because there is some machine noise in the non-visible background...
2) is an outside set with probably a lot of street noise. The microphone might be a "tie-clip microphone" because you hear the wind distortions in the low frequencies. also tie-clip mics have the advantage of reducing environmental noise.
3) is a normal-size room with little furniture and acoustically very "hard" walls/surfaces. A lot of reflections are audible. The microphone is probably only an omni-directional one on top of the camera because you can hear a lot of the room reflections. thats why directional microphones are better in case you DO NOT want to hear the room where the sound was recorded.
4) is very quiet and small environment inbetween two book shelves. The microphone is probably also a small "tie-clip microphone" because you can hear so much bass frequencies of his voice. that happens when you position the small microphone directly at the jacket on his chest. It gets a lot of bass freqs from the chest directly.
and here is a last example of how a higly directional microphone sounds. you should use such types outside with a lot of street noise but as you can hear if you listen closely it kind of narrows down the frequency range of the voice. there is not as much bass as normally and it sounds a bit compressed.
That was a small demo of listening to sound. hope you enjoyed. greetings to everyone.
jonas
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